r_entity.h

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/*
Copyright (C) 1997-2001 Id Software, Inc.

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

#ifndef R_ENTITY_H
#define R_ENTITY_H

#define MAX_ANIMLIST    8

#include "r_light.h"

typedef struct animState_s {
    int frame, oldframe;
    float backlerp;             
    int time, dt;
    int mesh;

    byte list[MAX_ANIMLIST];
    byte lcur, ladd;
    byte change;
} animState_t;

typedef struct {
    qboolean done;          
    qboolean processing;    
    float matrix[16];       
} transform_t;

typedef struct entity_s {
    struct model_s *model;
    vec3_t angles;
    vec3_t scale;
    vec3_t color;
    vec3_t origin;
    vec3_t oldorigin;

    vec3_t mins, maxs;

    /* tag positioning */
    struct entity_s *tagent;    
    const char *tagname;                
    /* misc */
    int skinnum;
    float alpha;                
    int flags;
    float distanceFromViewOrigin;

    qboolean isOriginBrushModel;    
    animState_t as;

    transform_t transform;

    vec4_t shell;                   
    r_light_t *lights[MAX_DYNAMIC_LIGHTS];      
    int numLights;

    image_t *deathTexture;

    struct entity_s *next;      
} entity_t;

int R_AddEntity(const entity_t *ent);
entity_t *R_GetFreeEntity(void);
entity_t *R_GetEntity(int id);

/* getters and setters for origin */
const vec3_t *R_EntityGetOrigin(const entity_t *ent);
void R_EntitySetOrigin(entity_t *ent, const vec3_t ovec);
void R_EntityCopyOrigin(entity_t *ent, const entity_t *other);
void R_EntityAddToOrigin(entity_t *ent, const vec3_t offs);
void R_EntitySubtractFromOrigin(entity_t *ent, const vec3_t offs);

#endif